Home / 2,983.66-4,117.28-1,724.77

Finding the Fourth Proportional to 2,983.66, 4,117.28 and 1,724.77

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Solution

The fourth proportional to 2,983.66, 4,117.28 and 1,724.77 is: 2,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.66 : 4,117.28 = 1,724.77 : x
  2. Step 2: Convert to fraction form
    2,983.66/4,117.28 = 1,724.77/x
  3. Step 3: Cross multiply
    2,983.66x = 4,117.28 × 1,724.77
  4. Step 4: Simplify right side
    2,983.66x = 7,101,355.67
  5. Step 5: Solve for x
    x = 7,101,355.67/2,983.66
  6. Step 6: Final answer
    x = 2,380.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.